Home / 35,781.90-49,379.67-19,866.48

Finding the Fourth Proportional to 35,781.90, 49,379.67 and 19,866.48

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Solution

The fourth proportional to 35,781.90, 49,379.67 and 19,866.48 is: 27,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,781.90 : 49,379.67 = 19,866.48 : x
  2. Step 2: Convert to fraction form
    35,781.90/49,379.67 = 19,866.48/x
  3. Step 3: Cross multiply
    35,781.90x = 49,379.67 × 19,866.48
  4. Step 4: Simplify right side
    35,781.90x = 981,000,226.46
  5. Step 5: Solve for x
    x = 981,000,226.46/35,781.90
  6. Step 6: Final answer
    x = 27,416.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.